header .header_bottom .all_class ul{
  background-color: #555;
  opacity: 0.7;
  display: none;
}
header .header_bottom .all_class h2{
  font-size: 20px;
  background-color: #e05c46;
}
header .header_bottom .nav #home_page{
  border-bottom: none
}
header .header_bottom .nav .prevent_page{
  padding-bottom: 5px;
  border-bottom: 3px solid #fff;
}
header .header_bottom .nav #home_page:hover{
  padding-bottom: 2px;
  border-bottom: 3px solid #fff;
}
header .header_bottom .nav .second_sheet:hover{
  padding-bottom: 5px;
  border-bottom: 3px solid #fff;
}

/* section */
section .art_star{
  height: 500px;
  width: 100%;
  margin: 60px 0;
  display: flex;
}
section .art_star_left{
  width: 30%;
  height: 500px;
}
section .art_star_left h2{
  margin: 80px 0 120px 20px;
}
section .art_star_left h4{
  margin: 60px 0 60px 26px;
}
section .art_star_left p{
  margin: 20px 0 20px 20px;
  color: #666;
}
section .art_star_right{
  width: 70%;
  height: 500px;
  overflow: hidden;
}
section .art_star_right img{
  height: 500px;
}
section .previous_star{
  width: 100%;
  height: 400px;
  position: relative;
  overflow: hidden;
}
section .previous_star_top{
  height: 110px;
  width: 100%;
  text-align: center;
  line-height: 100px;
  display: flex;
}
section .previous_star_top h2{
  margin: 0;
  width: 80%;
  font-size: 30px;
}
section .previous_star_top .left,
section .previous_star_top .right{
  width: 10%;
  height: 110px;
}
section .previous_star_top .turn_left,
section .previous_star_top .turn_right{
  width: 60px;
  height: 60px;
  margin: 25px auto;
  background-image: url(../imgs/artists/向左.png);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: left center;
  cursor: pointer;
}
section .previous_star_top .turn_right{
  background-image: url(../imgs/artists/向右.png);
}
section .previous_star_bottom{
  width: 1600px;
  height: 240px;
  display: flex;
  flex-wrap: nowrap;
  position: absolute;
  left: -400px;
}
section .previous_star_bottom a{
  display: inline-block;
}
section .previous_star_bottom .previous_star_box{
  width: 400px;
  /*height: 240px;*/
}
section .previous_star_box img{
  /*height: 220px;*/
  width: 380px;
  margin: 10px;
}
section .artists_indexes{
  width: 100%;
}
section .indexes_top h2{
  margin: 60px 0 40px 0;
  text-align: center;
  font-size: 30px;
}
section .indexes_top .list{
  width: 1160px;
  height: 50px;
  margin: 0 20px;
}
section .indexes_top .list b{
  display: inline-block;
  margin: 10px 16px;
  color: #000;
  font-weight: normal;
  cursor: pointer;
}
section .indexes_top .list b:hover{
  font-weight: bold;
}
section .indexes_bottom h4{
  width: 1160px;
  margin: 20px;
}
section .indexes_bottom ul{
  display: flex;
  flex-wrap: wrap;
}
section .indexes_bottom ul li{
  /*border: 1px solid red;*/
  margin: 5px;
}
section .indexes_bottom ul img{
  width: 120px;
  height: 120px;
  border-radius: 60px;
}
section .indexes_bottom ul .name{
  text-align: center;
  color: #000;
  font-size: 14px;
  margin: 0 0 5px 0;
}
section .arts_collect{
  width: 100%;
  height: 250px;
  margin: 40px 0;
}
